455341440 has 64 divisors (see below), whose sum is σ = 1451406960. Its totient is φ = 121423872.

The previous prime is 455341433. The next prime is 455341477. The reversal of 455341440 is 44143554.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 455341398 and 455341407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116659 + ... + 120498.

Almost surely, 2^455341440 is an apocalyptic number.

455341440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455341440 is an abundant number, since it is smaller than the sum of its proper divisors (996065520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455341440 is a wasteful number, since it uses less digits than its factorization.

455341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237179 (or 237167 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 455341440 is about 21338.7309838238. The cubic root of 455341440 is about 769.3295113450.

Adding to 455341440 its reverse (44143554), we get a palindrome (499484994).

The spelling of 455341440 in words is "four hundred fifty-five million, three hundred forty-one thousand, four hundred forty".